285044438 has 8 divisors (see below), whose sum is σ = 488647632. Its totient is φ = 122161896.

The previous prime is 285044413. The next prime is 285044449. The reversal of 285044438 is 834440582.

285044438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10180145 + ... + 10180172.

It is an arithmetic number, because the mean of its divisors is an integer number (61080954).

Almost surely, 2^285044438 is an apocalyptic number.

285044438 is a deficient number, since it is larger than the sum of its proper divisors (203603194).

285044438 is a wasteful number, since it uses less digits than its factorization.

285044438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360326.

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 285044438 is about 16883.2591048056. The cubic root of 285044438 is about 658.1186382041.

The spelling of 285044438 in words is "two hundred eighty-five million, forty-four thousand, four hundred thirty-eight".